Chromate reduction inStreptomyces
- 1 July 1990
- journal article
- research article
- Published by Springer Nature in Cellular and Molecular Life Sciences
- Vol. 46 (7), 731-733
- https://doi.org/10.1007/bf01939949
Abstract
Streptomyces species 3M grew in peptone yeast extract medium with 1000 μg/ml K2Cr2O7. Incubation of the chromate with different cell fractions in the presence of NADH and NADPH resulted in a decrease of Cr6+ in the reaction mixture. The level of Cr6+ was reduced by 82.7% by a particulate cell fraction obtained by centrifugation at 105,000×g for 1 h, in the presence of NADH. The reducing enzyme was associated with this cell fraction. The enzyme was constitutive and reduced Cr6+ to Cr3+.Keywords
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